Use default patch baselines, or create your own

A key element of Patch Manager is patch baselines. They simply provide a patch baseline for each supported operating system. There are a number of predefined patch baselines that AWS provides. To view them from within the Systems Manager console, follow these steps:

1. Select Patch Manager from the menu on the left.
2. Select View predefined patch baselines:

3. This will then present a list of predefined patch baselines that have been created by AWS for each operating system:

4. To view the settings of a baseline, select the baseline ID:

5. Here, you can see the description and, importantly, the approval rules of the baseline, which determine the classification of patches included, the severity of patches, and any auto-approval delay.

Depending on the settings within these predefined patch baselines, you can determine whether you would like to use one of these baselines or create your own. 

I now want to show you how to create your own...